🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.4

Radius: 8.5

Gravity: 10.72 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.4 AU - 0.62 AU

Year: 243 Days

Day: 6 Hours

Environment

Temp: -146 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 88,349,510 km

• M1: 106,813 km (0.03 R)
• M2: 403,765 km (0.114 R)
• M3: 683,064 km (0.116 R)
• M4: 956,978 km (0.105 R)
• M5: 1,242,261 km (0.069 R)
• M6: 1,820,905 km (0.084 R)
• M7: 2,299,319 km (0.112 R)
• M8: 2,868,539 km (0.11 R)
• M9: 3,253,305 km (0.054 R)
• M10: 3,561,477 km (0.095 R)
• M11: 3,900,914 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.5

Radius: 14.7

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.44 AU - 0.62 AU

Year: 257 Days

Day: 7.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 88,349,510 km

• M1: 182,809 km (0.075 R)
• M2: 685,906 km (0.109 R)
• M3: 1,300,604 km (0.109 R)
• M4: 1,959,583 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.5

Radius: 8.6

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.54 AU - 0.74 AU

Year: 341 Days

Day: 9.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 88,349,510 km

• M1: 108,010 km (0.109 R)
• M2: 430,243 km (0.117 R)
• M3: 799,451 km (0.05 R)
• M4: 1,163,423 km (0.101 R)
• M5: 1,643,183 km (0.084 R)
• M6: 1,936,844 km (0.075 R)
• M7: 2,702,336 km (0.063 R)
• M8: 3,164,444 km (0.1 R)
• M9: 3,558,185 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.6

Radius: 9.4

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.7 AU - 1.04 AU

Year: 541 Days

Day: 10.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 88,349,510 km

• M1: 116,986 km (0.088 R)
• M2: 477,666 km (0.061 R)
• M3: 793,318 km (0.112 R)
• M4: 1,103,583 km (0.058 R)
• M5: 1,496,727 km (0.088 R)
• M6: 2,175,452 km (0.101 R)
• M7: 2,474,648 km (0.107 R)
• M8: 3,830,902 km (0.062 R)
• M9: 4,243,194 km (0.119 R)
• M10: 5,380,736 km (0.03 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.3

Radius: 8.5

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.68 AU - 1.1 AU

Year: 560 Days

Day: 8.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 88,349,510 km

• M1: 105,766 km (0.111 R)
• M2: 404,363 km (0.026 R)
• M3: 762,800 km (0.054 R)
• M4: 1,032,525 km (0.109 R)
• M5: 1,441,824 km (0.091 R)
• M6: 1,745,957 km (0.097 R)
• M7: 2,270,596 km (0.105 R)
• M8: 3,064,662 km (0.088 R)
• M9: 3,514,054 km (0.067 R)
• M10: 4,447,246 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.1

Radius: 12.8

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.75 AU - 4.39 AU

Year: 5475 Days

Day: 7.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 88,349,510 km

• M1: 159,172 km (0.053 R)
• M2: 689,497 km (0.109 R)
• M3: 1,212,192 km (0.11 R)
• M4: 1,674,299 km (0.044 R)
• M5: 2,744,523 km (0.115 R)
• M6: 3,713,019 km (0.053 R)
• M7: 4,710,538 km (0.079 R)
• M8: 6,748,510 km (0.063 R)
• M9: 7,925,546 km (0.086 R)
• M10: 8,386,008 km (0.054 R)
• M11: 9,027,783 km (0.052 R)
• M12: 9,876,003 km (0.09 R)
• M13: 10,638,054 km (0.095 R)
• M14: 12,949,940 km (0.12 R)
• M15: 13,482,059 km (0.115 R)
• M16: 14,590,280 km (0.055 R)
• M17: 16,365,109 km (0.109 R)
• M18: 19,222,728 km (0.081 R)
• M19: 20,841,826 km (0.051 R)
• M20: 22,171,152 km (0.099 R)
• M21: 22,856,610 km (0.093 R)
• M22: 26,497,822 km (0.051 R)
• M23: 29,493,519 km (0.035 R)
• M24: 31,548,097 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 899.4

Radius: 4.9

Gravity: 37.46 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.63 AU - 7.01 AU

Year: 9363 Days

Day: 18.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 88,349,510 km

• M1: 61,784 km (0.109 R)
• M2: 217,067 km (0.119 R)
• M3: 405,111 km (0.062 R)
• M4: 595,250 km (0.112 R)
• M5: 763,248 km (0.061 R)
• M6: 1,150,557 km (0.117 R)
• M7: 1,362,089 km (0.084 R)
• M8: 1,674,299 km (0.089 R)
• M9: 1,831,377 km (0.087 R)
• M10: 3,037,136 km (0.073 R)
• M11: 3,699,107 km (0.119 R)
• M12: 3,994,562 km (0.065 R)
• M13: 5,370,414 km (0.038 R)
• M14: 6,446,172 km (0.103 R)
• M15: 8,362,970 km (0.094 R)
• M16: 8,872,051 km (0.057 R)
• M17: 9,158,382 km (0.045 R)
• M18: 10,260,918 km (0.089 R)
• M19: 10,790,345 km (0.119 R)
• M20: 11,505,423 km (0.064 R)
• M21: 16,759,150 km (0.034 R)
• M22: 17,123,122 km (0.111 R)
• M23: 17,716,577 km (0.11 R)
• M24: 18,787,847 km (0.076 R)
• M25: 21,227,639 km (0.116 R)
• M26: 23,145,483 km (0.119 R)
• M27: 25,175,826 km (0.093 R)
• M28: 28,029,405 km (0.072 R)
• M29: 28,542,376 km (0.102 R)
• M30: 34,019,753 km (0.096 R)
• M31: 36,881,410 km (0.09 R)
• M32: 37,621,022 km (0.097 R)
• M33: 37,994,568 km (0.031 R)
• M34: 44,868,291 km (0.116 R)
• M35: 48,743,773 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 887.9

Radius: 3.9

Gravity: 58.38 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 8.23 AU - 12.33 AU

Year: 21980 Days

Day: 22.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 88,349,510 km

• M1: 48,619 km (0.066 R)
• M2: 175,927 km (0.091 R)
• M3: 306,676 km (0.099 R)
• M4: 505,641 km (0.077 R)
• M5: 938,427 km (0.115 R)
• M6: 1,767,349 km (0.075 R)
• M7: 2,179,940 km (0.109 R)
• M8: 2,432,611 km (0.062 R)
• M9: 2,941,992 km (0.092 R)
• M10: 3,107,746 km (0.078 R)
• M11: 4,342,377 km (0.07 R)
• M12: 4,630,952 km (0.103 R)
• M13: 4,893,795 km (0.098 R)
• M14: 5,246,248 km (0.108 R)
• M15: 7,167,533 km (0.117 R)
• M16: 8,148,746 km (0.108 R)
• M17: 13,343,831 km (0.044 R)
• M18: 16,487,481 km (0.066 R)
• M19: 19,026,306 km (0.113 R)
• M20: 19,699,496 km (0.115 R)
• M21: 21,195,026 km (0.102 R)
• M22: 21,813,913 km (0.061 R)
• M23: 27,447,320 km (0.04 R)
• M24: 29,182,505 km (0.108 R)
• M25: 29,819,493 km (0.066 R)
• M26: 33,837,542 km (0.098 R)
• M27: 48,025,853 km (0.086 R)
• M28: 48,913,118 km (0.104 R)
• M29: 56,605,590 km (0.104 R)
• M30: 57,198,147 km (0.07 R)
• M31: 60,223,166 km (0.102 R)
• M32: 62,297,939 km (0.09 R)
• M33: 62,929,541 km (0.086 R)
• M34: 67,029,271 km (0.072 R)
• M35: 87,031,553 km (0.061 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 18,323 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit